Polish QA handoff context

frontend/src/styles/app.css

@@ -1217,6 +1217,13 @@ button.entity-card {
   margin: 0.75rem 0;
 }
 
+.quality-handoff-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
+  gap: 0.65rem;
+  margin: 0 0 0.75rem;
+}
+
 .quality-summary-grid > div {
   border: 1px solid var(--line);
   border-radius: 8px;
@@ -1224,7 +1231,16 @@ button.entity-card {
   background: #ffffff;
 }
 
+.quality-handoff-grid > div {
+  min-width: 0;
+  border: 1px solid rgba(15, 118, 110, 0.18);
+  border-radius: 8px;
+  padding: 0.72rem;
+  background: #f8fbf9;
+}
+
 .quality-summary-grid span,
+.quality-handoff-grid span,
 .quality-score-row span,
 .latest-export-card span,
 .metric-list span {
@@ -1243,6 +1259,26 @@ button.entity-card {
   line-height: 1.2;
 }
 
+.quality-handoff-grid strong {
+  display: block;
+  margin-top: 0.26rem;
+  color: var(--ink);
+  font-size: 1rem;
+  line-height: 1.2;
+}
+
+.quality-dataset-name,
+.quality-check-dataset-link {
+  overflow-wrap: anywhere;
+}
+
+.quality-dataset-name {
+  margin: 0.35rem 0 0;
+  color: var(--muted);
+  font-size: 0.82rem;
+  line-height: 1.35;
+}
+
 .quality-score-row {
   display: grid;
   grid-template-columns: 6rem 5rem minmax(0, 1fr);